Smallest Number From Digits


 
 
Concept Explanation
 

Smallest Number From Digits

Formation of Smallest Number:

To form a smallest number from the three digits given:

1. Place the smallest digit at the hundreds place

2, Place the second smallest digit at tens place

3. Place the greatest digit at ones place

For example to form the smallest three digit number with the digits 4,7 and 9

Step 1: 4 is the smallest number in the digits 4, 7 and 9. We will place 4 at hundreds position

Step 2: 7 is the second smallest number in the digits 4, 7 and 9. We will place 7 at tens position

Step 3: 9 is the greatest number in the digits 4, 7 and 9. So we will place 9 at ones position

Hence the smallest three digit number formed by the digits 4, 7 and 9 is 479.

Illustration 1: The smallest number formed by the digit 3, 2 and 1 is ____________

A..321

B. 412

C. 142

D. 123

Answer: D

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